Home / 424,396,171.10-636,930,179.85-165,735,307.10

Finding the Fourth Proportional to 424,396,171.10, 636,930,179.85 and 165,735,307.10

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Solution

The fourth proportional to 424,396,171.10, 636,930,179.85 and 165,735,307.10 is: 248,734,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,396,171.10 : 636,930,179.85 = 165,735,307.10 : x
  2. Step 2: Convert to fraction form
    424,396,171.10/636,930,179.85 = 165,735,307.10/x
  3. Step 3: Cross multiply
    424,396,171.10x = 636,930,179.85 × 165,735,307.10
  4. Step 4: Simplify right side
    424,396,171.10x = 105,561,818,958,697,984
  5. Step 5: Solve for x
    x = 105,561,818,958,697,984/424,396,171.10
  6. Step 6: Final answer
    x = 248,734,145.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.